This commit also includes extension of the config file
(`lsa-interest-lifetime` parameter in general section)
Change-Id: Ifd01af8cc98d41f7bdc953799a280e4b4269a358
Refs: #1873, #1874
used boost::property_tree::info_parser for parsing nlsr's configuration file and
changed configuration command style to info command style. Removed tokenizer from
nlsr
Refs: #1542
Change-Id: If017ddd7eef5caa59b33940bfc27a71aa4de266b
The purpose of this commit is to start pushing unit test I am writing. I will add more unit tests in each patch
Refs: #1496
Change-Id: Ic132adddfa06a95780712eba63966d3bab4743af